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2-9 Practice

Last updated almost 3 years ago

8 questions

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Question 1

1.

What is the measure of angle ABE?

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Question 2

2.

Lines AB and BC are perpendicular. The dashed rays bisect angles ABD and CBD. Explain why the measure of EBF is 45 degrees. Find an angle measure for angle CBD that makes this statement untrue.

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Question 4

4.

How do you know?

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Question 3

3.

Which figure is not the image of quadrilateral ABCD after a sequence of transfomations?

DJLK

JDAM

NOCI

CBFE

FDHG

Question 5

5.

Select all the transformation sequences below that would take quadrilateral ABCD to A'B'C'D'.

Translate along the directed line segment CC', then rotate about point C' until D becomes D'.

Translate along the directed line segment AA', then rotate about point A' until C becomes C'.

Translate along the directed line segment B'B, then rotate about point B' until A' becomes A.

Rotate about point A until C becomes A', then translate along the directed line segment AB.

Reflect across segment CB, then translate along the directed line segment BB'.

Translate along the directed line segment AA', then reflect across line AB.

Question 6

6.

Which of the following transformations is not necessary to transform triangle ABC to triangle A'B'C'?

Rotation

Translation

All are necessary

Reflection

Question 7

7.

Which of the following shows the result of a clockwise rotation of 180o around the midpoint of segment BC?

Question 8

8.

Select all sequences of translations, rotations, and reflections below that would take polygon P to polygon Q.

A. Reflect over line BA and then translate by directed line segment CB.

B. Translate by directed line segment BA then reflect over line BA.

C. Rotate 60o clockwise around point B and then translate by directed line segment CB.

D. Translate so that E is taken to H. Then rotate 120o clockwise around point H.

E. Translate so that A is taken to J. Then reflect over line BA.